B/(W)
From ACT Wiki
Better / (Worse).
A label and sign convention in financial reporting to indicate whether positive differences are good news - also known as 'favourable', in other words indicating that the number being compared is 'better' than the one it's being compared with.
When the label is B/(W) the positive numbers are better than budget, prior period or other comparative number.
Under this convention, negative numbers are unfavourable, also known as 'adverse'.
On the other hand, when the label is (B)/W the opposite applies - negative numbers would be better and favourable.
Under the (B)/W sign convention positive numbers are worse and adverse.
